code: def _sum_losses_effdet(loss):
      _loss = loss.copy()
      _ = _loss.pop("effdet_total_loss", None)
      loss["loss_total"] = sum(_loss.values())
      return loss
  
file_path: icevision/icevision/models/ross/efficientdet/show_results.py
imports: from icevision.imports import *
  from icevision.utils import *
  from icevision.core import *
  from icevision.data import *
  from icevision.models.base_show_results import base_show_results
  from icevision.models.ross.efficientdet.dataloaders import build_infer_batch, valid_dl, infer_dl
  from icevision.models.ross.efficientdet.prediction import predict, predict_from_dl
  from icevision.models.interpretation import Interpretation
label_desc: Use image node_id 3 for calling a global function with example usage: _sum_losses_effdet(loss) and returns: loss